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util/transform: add wlr_output_transform_coords()

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We hand-roll this in multiple places.
This commit is contained in:
Simon Ser 2023-05-03 12:36:05 +02:00
parent 9e702e9cfe
commit 2eb225236e
5 changed files with 30 additions and 36 deletions
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5
include/wlr/util/transform.h
View File

@ -25,4 +25,9 @@ enum wl_output_transform wlr_output_transform_invert(
enum wl_output_transform wlr_output_transform_compose(
enum wl_output_transform tr_a, enum wl_output_transform tr_b);
/**
* Applies a transform to coordinates.
*/
void wlr_output_transform_coords(enum wl_output_transform tr, int *x, int *y);
#endif

7
types/scene/surface.c
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@ -130,12 +130,7 @@ static void surface_reconfigure(struct wlr_scene_surface *scene_surface) {
wlr_fbox_transform(&src_box, &src_box, state->transform,
buffer_width, buffer_height);
if (state->transform & WL_OUTPUT_TRANSFORM_90) {
int tmp = buffer_width;
buffer_width = buffer_height;
buffer_height = tmp;
}
wlr_output_transform_coords(state->transform, &buffer_width, &buffer_height);
src_box.x += (double)(clip->x * buffer_width) / state->width;
src_box.y += (double)(clip->y * buffer_height) / state->height;

32
types/scene/wlr_scene.c
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@ -879,13 +879,9 @@ static void scene_node_get_size(struct wlr_scene_node *node,
*width = scene_buffer->dst_width;
*height = scene_buffer->dst_height;
} else if (scene_buffer->buffer) {
if (scene_buffer->transform & WL_OUTPUT_TRANSFORM_90) {
*height = scene_buffer->buffer->width;
*width = scene_buffer->buffer->height;
} else {
*width = scene_buffer->buffer->width;
*height = scene_buffer->buffer->height;
}
*width = scene_buffer->buffer->width;
*height = scene_buffer->buffer->height;
wlr_output_transform_coords(scene_buffer->transform, width, height);
}
break;
}
@ -1544,14 +1540,13 @@ static bool scene_entry_try_direct_scanout(struct render_list_entry *entry,
struct wlr_scene_buffer *buffer = wlr_scene_buffer_from_node(node);
struct wlr_fbox default_box = {0};
if (buffer->transform & WL_OUTPUT_TRANSFORM_90) {
default_box.width = buffer->buffer->height;
default_box.height = buffer->buffer->width;
} else {
default_box.width = buffer->buffer->width;
default_box.height = buffer->buffer->height;
}
int default_width = buffer->buffer->width;
int default_height = buffer->buffer->height;
wlr_output_transform_coords(buffer->transform, &default_width, &default_height);
struct wlr_fbox default_box = {
.width = default_width,
.height = default_height,
};
if (!wlr_fbox_empty(&buffer->src_box) &&
!wlr_fbox_equal(&buffer->src_box, &default_box)) {
@ -1679,11 +1674,8 @@ bool wlr_scene_output_build_state(struct wlr_scene_output *scene_output,
render_data.scale = state->scale;
}
if (render_data.transform & WL_OUTPUT_TRANSFORM_90) {
int tmp = render_data.trans_width;
render_data.trans_width = render_data.trans_height;
render_data.trans_height = tmp;
}
wlr_output_transform_coords(render_data.transform,
&render_data.trans_width, &render_data.trans_height);
render_data.logical.width = render_data.trans_width / render_data.scale;
render_data.logical.height = render_data.trans_height / render_data.scale;

14
types/wlr_compositor.c
View File

@ -146,16 +146,10 @@ static void surface_handle_set_input_region(struct wl_client *client,
}
static void surface_state_transformed_buffer_size(struct wlr_surface_state *state,
int *out_width, int *out_height) {
int width = state->buffer_width;
int height = state->buffer_height;
if ((state->transform & WL_OUTPUT_TRANSFORM_90) != 0) {
int tmp = width;
width = height;
height = tmp;
}
*out_width = width;
*out_height = height;
int *width, int *height) {
*width = state->buffer_width;
*height = state->buffer_height;
wlr_output_transform_coords(state->transform, width, height);
}
/**

8
util/transform.c
View File

@ -23,3 +23,11 @@ enum wl_output_transform wlr_output_transform_compose(
}
return flipped | rotated;
}
void wlr_output_transform_coords(enum wl_output_transform tr, int *x, int *y) {
if (tr & WL_OUTPUT_TRANSFORM_90) {
int tmp = *x;
*x = *y;
*y = tmp;
}
}